120results about How to "Not affected by vibration" patented technology

The invention discloses an integrated online monitoring instrument for monitoring ammonia escape during denitration. The instrument comprises a case, a gas inlet, a heating pretreatment device, a sampling and calibration device, an ammonia analysis device, a data processing and display device, a temperature control device and a power supply and external interface device, wherein the heating pretreatment device comprises a heater, a high-temperature ball valve and a secondary filter; the data processing and display device comprises a CPU (central processing unit), a data transmission module and a liquid crystal display screen; the sampling and calibration device comprises a sampling pump, a calibration electromagnetic valve and an interference electromagnetic valve; the input end of the high-temperature ball valve is connected with an external tracing pipe through a pipeline and the gas inlet, and the output end of the high-temperature ball valve is connected with the input end of the secondary filter through a pipeline; the output end of the secondary filter is connected with the ammonia analysis device through a pipeline, and the ammonia analysis device is connected with the sampling pump. The monitoring instrument can be used for measuring various gases and effectively prevent mutual interference of components and is high in measurement sensitivity and free of interference of background gas, and the response time is short.

A method for realizing container hoisting crashproof aligning system based on video image processing is disclosed. A container crashproof aligning virtual reality graph is provided and generated to provide a driver with visual container aligning crashproof information. A control system, a camera video acquisition system, a data center, a background image processing part and a work application form the system. According to container and suspender identification based on video image processing, the relative position of a current suspender and an adjacent container below the suspender and the height and relative position of a rear container can be calculated. The information helps a driver to complete work, and 'domino effect' accident during lifting operation can be prevented. The method helps the driver to rapidly position and align containers, and time for loading and unloading work is greatly shortened.

The invention relates to an SDL pile work drilling method and a pile work drilling machine specially used for implementing the same. The pile work drilling machine comprises a machine frame. A power head capable of moving vertically in a guided mode is assembled on the machine frame, the power head is in transmission connection with a working drill rod, and a drill bit used for bearing vibration impact of a corresponding impactor to impact drilling is installed at the lower end of the working drill rod. The pile work drilling machine further comprises a flexible transmission piece with the axis extending along the vertical direction and a transmission piece driving device used for driving the flexible transmission piece to move vertically in a reciprocating mode. The transmission piece driving device is arranged on the machine frame, and a force transmission device used for applying downward elastic action force on the power head when the flexible transmission piece moves downwards is arranged on the flexible transmission piece. The pile work drilling machine capable of increasing drilling force of the drill bit in the punching drilling process at any time is provided.

The invention relates to a deformation monitoring method for the existing railway line, which comprises the following steps: (1) selecting right types of total stations and prisms; (2) carrying out point distribution on a line required to be measured, and installing the prism at each measuring point; (3) through site survey, burying a sufficient quantity of datum points and station points convenient to observe the prisms; (4) carrying out real-time measurement on the prisms through the total stations arranged at the station points so as to obtain the three-dimensional coordinate of each prism; and (5) through comparing the three-dimensional coordinates of the prism during different time periods, calculating the deformation value and change rate of the line during the period. The invention is a deformation monitoring method for the existing railway line, which is scientific in design and easy to implement. By using the method disclosed by the invention, the data of settlement and horizontal displacement of the existing railway line in operation can be accurately acquired under the premise of not affecting the operation of the existing line, thereby guaranteeing the necessary monitoring frequency; and the acquired data represents the deformation of the line during all time periods, and finally, the purpose of carrying out real-time monitoring on the existing railway line and guaranteeing the safe operation of trains is achieved.

The invention discloses a forced ventilation one-way valve for an automotive engine, of which the structure is that: a valve cap and a valve seat are connected in a sealing mode and a valve cavity is formed between the valve cap and the valve seat; one side of the valve seat close to the valve cap is provided with a first spoke and a first hub, and one side of the valve cap close to the valve seat is provided with a second spoke and a second hub; a concave pit is formed at the outer end of the second hub; a valve block and a stopper are arranged in the valve cavity; a first mounting hole and a ventilation hole are formed on the stopper; two anti-rotation posts are arranged on one side face of the stopper; the valve block is made of an elastic material and a second mounting hole is formed on the valve block; the first hub is inserted into the first mounting hole, and the two anti-rotation posts are spanned on two sides of the width direction of any first spoke., so that the stopper is adhered to the end face of the first spoke close to the valve cap; the valve block penetrates the first hub through the second mounting hole and then is adhered to the stopper and shields the stopper, so the valve cavity is divided into two cavities; the first hub is inserted into the concave pit; and the external end of the second hub is contacted with a central region of the valve block. The forced ventilation one-way valve for the automotive engine cannot be influenced by vibration of the engine, and the opening / closing state of the one-way valve is stable.

A level dip angle measurer of rock bolt is prepared as forming angle disc by right angle side of semicircumferentor and straight scale, setting two-way and two rows of 0-180 degree angle scale on semicircumferentor of angle disc, hinging rock bolt indication pointer and vertical indication pointer on center of circle at semicircumferentor of angle disc through damping hinge and free hinge to let rock bolt indication pointer indicate angle in damping-rotation way at disc surface of angle disc by utilizing said center of circle as axis and to let vertical indication pointer indicate angle in free-rotation way at disc surface of angle disc .

The invention provides large-scale road maintenance equipment for detecting looseness of a rail fastener. The equipment comprises a fastener looseness detection device and is characterized in that thefastener looseness detection device comprises a laser range finder, a vibration compensation device, a microcomputer control system, a video recognition system and a positioning synchronization system, the laser range finder is connected with the microcomputer control system, and the microcomputer control system is also connected with the video recognition system, the positioning synchronizationsystem and the vibration compensation device. Laser measurement is adopted, meanwhile, a vibration compensation system is arranged, the vibration compensation device measures vertical acceleration ofa detection beam through an inertia packet in the measurement beam, adverse factors such as gravity components and the like are removed, and secondary integration is carried out on the acceleration toobtain a displacement value. The vibration compensation device can compensate the influence of the vibration displacement of a train without being influenced by the vibration of the train, and a result is more accurate.

The invention relates to a method for measuring the vertical dynamic disturbance of a high-speed railway bridge based on an unmanned aerial vehicle, which is characterized in that measuring points arearranged on a high-speed railway bridge to be measured. A camera is installed on the unmanned aerial vehicle, and markers are arranged on the unmanned aerial vehicle. A total station instrument is arranged on the ground. The method comprises the following steps: controlling the unmanned aerial vehicle to fly to a set position on a horizontal plane of the measuring points and a vertical line vertical to the measuring points, shooting and imaging the measuring points on the high-speed railway bridge to be measured by using the camera on the unmanned aerial vehicle according to a set time interval at the set position, and synchronously measuring the position coordinates of markers on the unmanned aerial vehicle according to the same set time interval as the camera on the unmanned aerial vehicle by using the total station instrument; correcting the image coordinates of the measuring points by using the data output by the total station instrument and the inertial navigation of the unmannedaerial vehicle, and obtaining the vertical dynamic disturbance of the high-speed railway bridge based on the corrected image coordinates of the measuring points. The method is not influenced by environmental vibration, can achieve flexible and easy-to-operate high-precision measurement of the dynamic disturbance of the high-speed railway bridge, and has simple and efficient measurement process.

The invention relates to a method for measuring high-speed rail bridge vertical dynamic deflection. The method includes: determining a to-be-measured high-speed rail bridge, and arranging a measuringpoint and two reference points on the high-speed rail bridge; controlling a drone with a camera to fly to a set position close to the left side or right side of the to-be-measured high-speed rail bridge, and using the camera on the drone to shoot the to-be-measured high-speed rail bridge at the set position, wherein the left reference point, the middle measuring point and the right reference pointof the to-be-measured high-speed rail bridge can be shot at the set position; calculating the vertical-direction relative displacement of the middle measuring point, the left reference point and theright reference point in a world coordinate system according to the images shot by the camera so as to obtain the high-speed rail bridge vertical dynamic deflection. By the measuring method, environment vibration influence is avoided, flexible and easy-to-operate high-speed rail bridge vertical dynamic deflection measuring can be achieved, and a simple and efficient measuring process is achieved.

The invention relates to a device for compacting road paving materials, comprising a screed board which is fastened on a road finisher and extends at a right angle to the direction of travel of the road finisher and a tamper that is mounted in front and / or behind the screed board. Said tamper has a tamper strip (9) that can be driven to perform a striking upward and downward movement and the interior of which is equipped with an electrical heating unit in the form of a rod-shaped heating element (12) that can be clamped into a recess of the tamper strip. The device according to the invention is characterized in that the heating element is a tubular heating unit the coil (20) of which is folded at least once on a free end of the tubular heating unit, thereby forming two adjacent rods (33, 34) that are connected to a power supply unit in a common terminal block (14).

The invention relates to a method for measuring the vertical dynamic disturbance of a high-speed railway bridge based on an unmanned aerial vehicle, which is characterized in that measuring points arearranged on the high-speed railway bridge to be measured. A camera is arranged on the unmanned aerial vehicle, more than three markers are arranged on the unmanned aerial vehicle, two cameras are arranged on the ground below the shooting position of the unmanned aerial vehicle to form a binocular stereoscopic vision system, and the two cameras in the binocular stereoscopic vision system shoot theunmanned aerial vehicle so as to monitor displacement changes of coordinates of all marker points on the unmanned aerial vehicle under a world coordinate system. The method comprises the following steps: correcting images shot by the cameras on the unmanned aerial vehicle according to the displacement and attitude change of the unmanned aerial vehicle obtained by the binocular stereoscopic visionsystem, and obtaining the vertical dynamic disturbance of the high-speed railway bridge based on the image coordinates of the corrected measuring points. The method is not influenced by environmentalvibration, can achieve flexible and easy-to-operate high-precision measurement of the dynamic disturbance of the high-speed railway bridge, and has simple and efficient measurement process.

The invention provides a novel micro aero-engine combustion chamber, and relates to the technical field of micro aero-engines. Based on the defects that an oil way structure of a traditional micro aero-engine combustion chamber is long in distance, an oil way is prone to deform due to external action and the like, the novel micro aero-engine combustion chamber adopts a spiral evaporation pipe structure, so that the oil way stability is enhanced, and the combustion efficiency is improved; based on the factors that the traditional micro aero-engine combustion chamber is poor in overall fixing effect, and the position of a flame tube is prone to be unstable under the high-temperature effect, the novel micro aero-engine combustion chamber adopts a flame tube fixing device structure so that theflame tube can be effectively fixed, and position deviation of the flame tube caused by vibration in the working process is prevented, and the flame tube can be prevented from being influenced by vibration during working; a double-layer wall surface structure of the flame tube is adopted, and the space between the wall surfaces is filled with porous media so that the effective damping effect canbe achieved; and meanwhile, the flame tube can be cooled to a certain degree, so that the wall surface cooling effect is achieved, and the service life of the wall surfaces of the flame tube is prolonged.

The invention discloses automatic integral equipment for processing intake manifolds. The equipment comprises a conveying track, a cold insertion device, a hot insertion device and a leak detecting device. A robot is arranged between the cold insertion device and the hot insertion device. Each of the cold insertion device, the hot insertion device and the leak detecting device comprises an upper fixture and a lower fixture. A laser code printer and an automatic intake manifold recognition area are arranged on the conveying track. An automatic code reader and an optical fiber sensor are arranged in the automatic intake manifold recognition area. The lower fixtures move up and down under the drive of air cylinders, up-down movement of the lower fixtures is positioned by guide rods, and a retractable stop rod is arranged on one side of the automatic intake manifold recognition area. The automatic integral equipment has the advantages that accuracy in insertion of copper nuts and cold insertion pipes is high, the problems of manual production feeding, low working efficiency and time and labor consumption of existing devices as well as the problem of inaccuracy in the process of hot insertion and cold insertion of the intake manifolds are solved, and automatic operation of assembly lines is realized.

The invention discloses a device for measuring the volume and the volume expansion coefficient of an object, and the device comprises a balance with a lower lifting hook, a lifting basket, a containerfor containing liquid, a heater and a temperature sensor. The balance is arranged above the container and is used for weighing the dry weight of a to-be-measured object and the weight of the to-be-measured object in the liquid; the lifting basket is hung at the lower part of the balance through the lower lifting hook and is used for placing the to-be-tested object and soaking the to-be-tested object in liquid. The device also comprises a microprocessor which is connected with the electronic balance, the heater and the temperature sensor and is used for controlling start and stop of the heater, receiving acquired data of the electronic balance and the temperature sensor and calculating and displaying the volume and the body expansion coefficient of the to-be-measured object. The inventionalso discloses a method for measuring the volume and volume expansion coefficient of gas inside a flexible package product and a method for measuring the volume expansion coefficient of a solid material. The device can simply and conveniently measure the volume and volume expansion coefficient of the object, and especially measure the gas in the object under the condition that the flexible packageproduct is not damaged.

The invention discloses a telescoping joint sealing structure of a water turbine. The telescoping joint sealing structure of the water turbine comprises a tail water pipe flange and a rotating wheel chamber tail flange, wherein a telescoping joint consisting of a telescoping joint pressing plate and a telescoping joint flange is arranged between the tail water pipe flange and the rotating wheel chamber tail flange; the telescoping joint flange is fixedly connected to the tail water pipe flange; the telescoping joint pressing plate is fixedly connected to the telescoping joint flange; a sealingring which is in sealing fitting with the side surface of the rotating wheel chamber tail flange is arranged at an inner circle of the telescoping joint; a sealing strip is arranged between the end surface of the tail water pipe flange and the end surface of the rotating wheel chamber tail flange; and a sealing strip pressing plate which radially acts on the sealing strip is arranged at the innercircle of the tail water pipe flange. According to the telescoping joint sealing structure of the water turbine, the sealing effect is not influenced by the vibration of a rotating wheel chamber, andthe telescoping joint is effectively prevented from water leaking.

The invention discloses a display device which comprises a display panel and a loudspeaking module. Display panel with light emitting surface. Wherein the loudspeaking module is arranged on the lightemitting surface of the display panel, the loudspeaking module is provided with a sound production film and an image compensation film, the sound production film and the image compensation film are arranged along the normal direction of the light emitting surface, and a gap is formed between the sound production film and the image compensation film. According to the invention, the image quality ofthe display device is not influenced by the vibration of the sound film.

The invention provides a reusable reserved hole reserving device and a construction method. The device comprises an inner sleeve; a top sealing cover plate used for sealing the top of the inner sleeveis fixedly installed at one end of the top of the inner sleeve; the exterior of inner sleeve is sleeved with a rubber pipe; a long screw rod is installed in the middle of the top sealing cover platein a threaded fit mode; a top hexagonal head is arranged at the top of the long screw rod; and the long screw rod is sleeved with a nut. By the adoption of a steel sleeve reserving device, after concrete pouring is completed, a steel sleeve can be smoothly pulled out from an upper portion and repeatedly used, and the steel sleeve can be used as a pipeline wall bushing after a top cover and a handle are detached in the later period, so that the positive boosting effect is achieved on on-site environmental protection and civilized construction.

Embodiments of the invention provide an image collection system and method. The image collection system comprises an image collection device and a computer device which are in communication connectionwith each other. The image collection device comprises a fixed plate and multiple cameras arranged on the fixed plate; and the cameras continuously collect images of a target object in a predetermined moving direction and send the images collected at the same moment to the computer device. The computer device performs image conversion on pixel coordinates of the images at all the moments by the cameras based on a pre-calibrated camera model to obtain undistorted images at all the moments after the conversion, performs image splicing on the undistorted images at all the moments to generate first spliced images at all the moments, and performs image splicing on the first spliced images at all the moments to generate a spliced image of the target object. Therefore, complete image collectionin a narrow and small space is realized; and the collected images are high in resolution and high in robustness.

The invention relates to a plastic processing device, in particular to a multifunctional plastic recovery processing device. The multifunctional plastic recovery processing device comprises a water cooling mechanism, a machine body mechanism, an opening and closing door mechanism, a crushing mechanism, a vibration feeding mechanism and a material bin mechanism, wherein the device can automaticallyopen and close a bin door, can store multiple tools, can enable the material bin to be not affected by vibration, can automatically feed materials, can crush the recycled plastic, can automatically falling the crushed plastic into a hot melting pipeline, can carry out hot melting on the plastic, can cool the plastic, and can cut the cooled plastic into sections; the water cooling mechanism is connected with the machine body mechanism, the opening and closing door mechanism is arranged inside the machine body mechanism, the crushing mechanism is connected with the opening and closing door mechanism, the crushing mechanism is connected with the machine body mechanism, the vibration feeding mechanism is located above the machine body mechanism, and the material bin mechanism is located abovethe machine body mechanism.

The invention discloses a rapid construction leveling device based on municipal road engineering. Vibration plate, leveling head, fixed protective end, vibration motor, limit rod, fixed base, support column, laser receiver, hydraulic rod, movable connection plate, laser emission port, laser emitter, first fixed disc, disc The fixed rod, the second fixed disc, the connecting ring plate, the buckle, the supporting foot, the bolt, and the footing can pave concrete in a large area as a whole and ensure the consistency of the ground elevation. The elevation is not controlled by the formwork, and there will be no cumulative error , The construction joints reduced in large-scale block construction greatly reduce the maintenance cost of the ground in the later stage; multiple operations are integrated together and completed by the machine at one time, improving work efficiency, saving labor, reducing labor and material input, and reducing construction procedures. Speed ​​up construction progress.

The invention belongs to the technical field of lithium batteries, and particularly relates to an anti-vibration lithium battery suitable for a low-temperature environment, which comprises a protective shell, heat dissipation holes are formed in two sides of the protective shell, heat conduction plates are connected to the upper end and the lower end of the protective shell in a penetrating manner, and closing columns are arranged outside the heat conduction plates. The closed column is fixedly connected with the protective shell, a transmission plug is slidably connected into the closed column, a transmission rod is fixed to the side, away from the heat conduction plate, of the transmission plug, a push-pull rod is rotationally connected to the end, away from the transmission plug, of the transmission rod, and a connecting block is rotationally connected to the end, away from the transmission rod, of the push-pull rod. The protection shell, the heating shell and the heat preservation shell are additionally arranged outside the lithium battery to conduct triple heat preservation on the lithium battery, the heat dissipation condition of the lithium battery is not hindered through the heat dissipation holes, meanwhile, the temperature is monitored in a heat conduction mode, real-time dynamic temperature compensation is achieved, and therefore the lithium battery protection effect in the low-temperature state is achieved.

The vibration wheel ergometer has a wheel framework upper structure (17) along with a bottom bracket / crank lever (1) which is mechanically decoupled from the framework as well as a vibration unit consisting of vibration plate (2), vibration rack (18) and vibration engines (3). The damping elements (5,6) prevent the transmission of oscillations of vibration unit to the wheel framework upper structure.

The invention relates to a vacuum pump performance testing system and method based on the cloud technology. An air inlet pipe is connected with an air inlet of a testing cover, and a flow meter is arranged on the air inlet pipe. A vacuum meter is arranged on the testing cover, an air outlet of the testing cover is connected with a reducing connector, the reducing connector is connected with one end of a corrugated pipe, the other end of the corrugated pipe is connected with an air inlet of a to-be-tested vacuum pump, an air outlet of the to-be-tested vacuum pump is connected with an exhaust pipe, and an exhaust silencer is arranged at the tail end of the exhaust pipe. A data collection card is in communication connection with the flow meter and the vacuum meter and is used for collecting signal data of the flow meter and the vacuum meter. A cloud server is in communication connection with the data collection card and is used for receiving the signal data sent by the data collection card and storing and processing the signal data. Through the testing system, testing flexibility and testing efficiency of the vacuum pump are improved, and cost is reduced; and meanwhile, data cloud storage and cloud processing can be achieved, good transportability and universality are achieved, and the vacuum pump performance testing system and method are suitable for testing requirements of different kinds of vacuum pumps.

The invention relates to the field of building construction, in particular to an engineering method for measuring and constructing a polyvinyl chloride (PVC) cylinder leveling device for benchmark measurement when a linear distance is less than 50m at a main body or decoration construction stage of constructional engineering. The engineering method comprises the following steps of: fabricating a PVC cylinder device; detecting the tightness of the PVC cylinder device; fixing the PVC cylinder; filling the PVC cylinder device with water, and exhausting air bubbles; re-checking and measuring a reference point; adjusting water quantity, and measuring a height difference between the reference point and a liquid level of a hose; and measuring elevation and scribing marks. The invention is made of daily materials according to the principle of a communicating vessel; the engineering method is simple and easy to understand, low in manufacture cost, and convenient to operate; by the invention, the construction efficiency is improved, better social and economic benefits are achieved, and the invention has higher promotion value and development prospect.

The invention provides a detachable tool rest on a numerically-controlled machine tool, and belongs to the technical field of machines. The detachable tool rest on the numerically-controlled machine tool solves the problems that according to an existing numerically-controlled machine tool, replacement efficiency of a tool is low, and operation is complex in the replacement process. The detachable tool rest on the numerically-controlled machine tool comprises a base and a tool rest body connected to the base and used for fixing a tool, wherein the base is provided with a positioning boss, the surface of the positioning boss is provided with a clamping groove which penetrates through the side portion of the positioning boss, and the bottom of the tool rest body can be clamped into a clamping part in the clamping groove; a stopping piece and a fixing piece are arranged between the tool rest body and the base, the stopping piece enables the tool rest body to be clamped at a specific position, and the tool rest body and the base can be fixed by the fixing piece after being clamped at the specific position. The detachable tool rest on the numerically-controlled machine tool has the advantages that tool replacement efficiency is high, the tool replacement speed is high, and in-machine tool setting is not needed after tool replacement.

The present invention addresses the problem of providing an engine device which comprises an exhaust gas purification device and which is capable of being efficiently disposed within an engine mounting space. An engine (1) is disposed below an operator's seat (219) in such a manner that a flywheel housing (10) is located at the front of a traveling machine body (216). An exhaust gas purification device (2) is disposed behind the engine (1) and below a radiator (24). The engine (1) is connected, on the left side thereof, to an air cleaner (32) for taking in fresh air and is connected, on the right side thereof, to an exhaust pipe (72) which is connected to the air intake side of the exhaust gas purification device (2).

The invention discloses a bush-hammered roller assembly which consists of a roller wheel, a rolling shaft and a roller seat. The roller wheel which is provided with a plurality of bush-hammered abrasive particles is arranged on the rolling shaft in a rotating way, the two ends of the rolling shaft are fixed on the roller seat so as to grind stones rapidly and efficiently. The invention further discloses a bush-hammered grinding head which comprises a connector, a spring, a fixing shaft, a base plate, a fixing plate and at least one set of roller assemblies; the connector which is connected with a cylinder is arranged on the base plate, and the base plate and the fixing plate are arranged on the fixing shaft; the spring is sleeved on the fixing shaft, one end of the spring abuts against the base plate, the other end of the spring abuts against the fixing plate, and the base plate is movably connected with the fixing plate; and the roller seat of the roller assembly is fixed on the fixing plate. The bush-hammered roller assembly and the bush-hammered grinding head not only can grind stones rapidly and efficiently, but also is safe and convenient to use.